This is the CodeSystem that contains codes in both AdverseEventSeriousness (http://terminology.hl7.org/CodeSystem/adverse-event-seriousness) and AdverseEventSeriousness (http://terminology.hl7.org/CodeSystem/adverse-event-seriousness).
Generated Narrative: CodeSystem ce29e8c3-bf6b-4db3-8fa6-fd314711d268-48
This code system http://hl7.org/fhir/comparison/CodeSystem/ce29e8c3-bf6b-4db3-8fa6-fd314711d268-48 defines codes, but no codes are represented here